All perfect praise be to Allaah, The Lord of the Worlds. I testify that there is none worthy of worship except Allaah, and that Muhammad is His slave and Messenger.
We have already referred you to some rulings and guidelines and given you advice about your husband, so please refer to Fatwa 92719.
As regards the matter of accommodation, the jurists stated that a husband is obliged to provide his wife with a separate accommodation which should have its separate amenities and a separate entrance. Therefore, if your husband did not provide you with a separate accommodation, you have the right to ask him to offer you this accommodation. However, in principle, a woman is not permitted to go out of her husband's house without his permission unless she has a sound reason for doing so. Therefore, if your husband does not offer you a separate accommodation even in this house where you live now, then it is permissible for you to move out to another house where you will be more secure about your religion and dignity even without the permission of your husband, especially if you are actually harmed (with regards to your faith) by staying in that house as you mentioned in the question.
As regards your striving in order that your husband sticks to the Sunnah, then this is a good intention and we admonish you to continue advising him with wisdom and soft words and guiding him to do good and refrain from doing evil and earning forbidden money. We recommend that you supplicate Allaah for him and be keen on reminding him with anything that could increase his faith, because once his faith is increased, this will lead him to become righteous.
Finally, we advise you to perform your prayer at its prescribed fixed time and not be negligent about it, as Allaah severely threatened those who neglect or abandon the prayer. For more benefit, please refer to Fataawa 94113 and 91790.